Page 15 - NOISE IN SYSTEM COMMUNICATION
P. 15
EXTERNAL NOISE
External Noise is the noise which is generated outside the device
or circuit system. External noises are somewhat uncontrollable
1 Atmospheric Noise
Source: https://www.youtube.com/watch?v=8FfTpm2JZLc
The receiving antenna not only picks up
the desired signal but also the noise from
thunderstorm and various disturbance
causes at the output.
Thus large atmospheric noise is
generated in low or medium frequency
band (LF @ MF) while very little noise is
generated in very high frequency(VHF)
band.
Source: canva.com
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